Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10533470 | Oil separation device for internal combustion engine | Takeshi Fujii, Kazunari Shigemoto, Mayuka Odo, Yuya Kasajima, Junya Saito +3 more | 2020-01-14 |
| 10329975 | Oil separation device for internal combustion engine | Takeshi Fujii, Kazunari Shigemoto, Mayuka Odo, Yuya Kasajima, Junya Saito +3 more | 2019-06-25 |
| 9181894 | Control system for internal combustion engine | Seiichiro Irie, Hiroshi Kubo, Yoshitomo Kono, Hiroaki Tone, Toshifumi Hiraboshi +1 more | 2015-11-10 |
| 8918269 | Control apparatus for internal combustion engine | Seiichiro Irie, Hisashi Ito, Hideharu Takamiya, Yasuhiro Motohashi | 2014-12-23 |
| 8731856 | Frequency spectrum analyzing apparatus | Natsuko Kitamura, Jiro Takagi, Atsushi Kurauchi, Masayuki Yoshiiri | 2014-05-20 |
| 8725463 | Frequency spectrum analyzing apparatus | Natsuko Kitamura, Yoshiaki Akimoto, Jiro Takagi, Atsushi Kurauchi, Masayuki Yoshiiri +2 more | 2014-05-13 |
| 8606489 | Ignition timing control system for internal combustion engine | Masayuki Yoshiiri, Jiro Takagi, Kazuhiko Hirota, Atsushi Kurauchi, Natsuko Kitamura | 2013-12-10 |
| 8326518 | Knocking detecting apparatus for internal combustion engine | Jiro Takagi, Atsushi Kurauchi, Masayuki Yoshiiri, Kazuhiko Hirota, Natsuko Kitamura +1 more | 2012-12-04 |